Surgical stapler

Abstract

The stapler of the invention is a surgical stapler/cutter that allows latero-lateral intestinal anastomosis, for both open surgery and laparoscopic surgery, at a distance from the openings used to insert the instrument. The stapler is based on the conventional structure of this type of stapler, and one of the fundamental features thereof is that an interspace (12) that determines a space for inserting the free ends (13, 13′) of the tissues (8, 8′) to be joined, is determined between an articulation shaft (3) of the two jaws (4, 5) of the stapler and the front end at which are disposed forms (6) and vertically movable teeth (9) on which staples (7) are disposed. This prevents the staples for the anastomosis and those for the removal of the pathological area from crossing when the area to be removed is cut. The invention also provides for the inclusion, in the described inter-space (12), of an Infrared Data Association (IrDA) device for testing blood flow that transmits a signal to a luminous signalling device which is visible to the user and which allows the degree of tissue vascularisation to be assessed.

Description

OBJECT OF INVENTION[0001]The present invention refers to a surgical stapler, specially designed to carry out operations of mechanical latero-lateral intestinal anastomosis.[0002]The purpose of the invention is to provide a stapler with a mechanical functioning such that it allows to perform complete anastomosis at a certain distance from the points of introduction of it to the intestinal light, so that it stops a small stretch of intestine well irrigated, between the anastomosis and the section area for the removal of the surgical piece, avoiding crossover between the staples of latero-lateral anastomosis and that of the section of the surgical part being removed.[0003]It is also the object of the invention that the stapler has self-adjusting internal cutting media, in accordance with European operator safety regulations, which allows longitudinal cutting of intermediate tissues within the stapling, thus facilitating the exact area of passage to the object of anastomosis.BACKGROUND ...

AI Technical Summary

Problems solved by technology

One of the causes of anastomotic leakage is the possible ischemia of the intestinal wall of the area of anastomosis, either because the mesos that have been sectioned to remove the pathological area exceed the limits of the good or poor irrigation of the intestinal walls and are difficult to evaluate, or because the crossing of the staples of the anastomosis and those of the section line of the piece to be removed produce ischemia Local.

The problem with this type of stapler is because the arrangement and start of the stapling of its jaws causes the start of the stapling and cutting line to be made from the holes themselves for the introduction of the mechanical instrument into the handles, so that, when the instrument is removed, the anastomosis is in line with those holes.

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